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cosmoline

Skip it41/100

a small market ($92K/yr) — cosmoline doesn't clear our bar today.

Market/yr

$92K

Growth (1y)

+113.1%

Products

19

Brands

13

was 10 a year ago

Sellers

101

Price range

$14.22–$168.09

Returns

1.1%

Rating

4.6★

41/100

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Scored 41/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns
Market size
5
×0.30
Growth
67
×0.30
Competition
39
×0.20
Quality gap
29
×0.10
Returns
91
×0.10

Demand

Weekly Amazon search volume, last 89 weeks — +113.1% year over year.
1K627Spike '25Spike '26Oct '24Feb '25May '25Aug '25Nov '25Mar '26

Seasonality

Monthly demand index across the year — 1.00 is average.

Peak months: Apr, Oct · busiest ÷ quietest = 2.0×

Competition

21%APOWUS
  • APOWUS21%
  • FraFr.gancia18%
  • Cosmoline Direct, LLC11%
  • RP Military-Grade Rust Preventatives10%
  • CRC9%
  • TEAYIR8%
  • Other (7 brands)23%

The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them. 13 brands and 101 sellers compete here.

Brands

13 rising

was 10 a year ago

Sellers

101

Top 5 brand share

69%

#ProductBrandPriceRatingReviewsClick shareTrend
3Cosmoline Direct, LLC$89.584.6★20510%falling
5RP Military-Grade Rust Preventatives$86.044.7★3278%falling
11RP Military-Grade Rust Preventatives$157.444.7★3273%flat

Product shelf

All 19 tracked products in this niche.

Reviews

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall20%

“It has the feel of a premium product that is very well made”

Rusts/Corrodes14%

“Rust proofing”

Value For Money11%

“Worth it”

Durability8%

“Durable and easy to use”

Storage Capacity5%

“Plenty of room”

Strength4%

“Holding up good so far”

Design-Overall4%

“Well made in terms of design, versatility and quality”

Pockets/Compartments3%

“Pretty bag with lots of pockets”

Size-Overall2%

“the perfect size”

Zipper Quality2%

“Looks great and the zippers were fairly easy”

What buyers complain about

Rusts/Corrodes13%

“Everything was beginning to rust again”

Value For Money5%

“its expensive as fuq”

Adhesion/Stickiness5%

“This stuff doesn't stick”

Color5%

“The color was darker that it looked on the web site”

Quality-Overall4%

“Is a little cheap looking”

Weight Heavy4%

“Too heavy without wheels”

Spray/Flow3%

“Not compatible with spray wands with a female can interface”

Wheel Quality3%

“One regret is not on wheels”

Advertised Vs Actual Product3%

“didnt get the flag, like it shows on picture”

Material Quality3%

“Material was fairly cheap”

Top return reasons

  • Size-Overall48%
  • Zipper Quality9%
  • Advertised Vs Actual Product7%
  • Color5%
  • Weight Heavy5%
  • Material Quality3%
  • Width3%
  • Wrong Dimensions2%
  • Strength2%
  • Shape/Style2%

Data scraped July 8, 2026 · Marketplace baseline: 4.4★ avg rating · $22.74 median price · 2.2% median returns across 13,649 tracked niches.